<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
  </head>
  <body>
    <script>
      let p = new Promise((res, rej) => {
        //1 通过调用 resolve 函数
        // res(6); //pending => fulfilled (resolved)
        //2 rejcet
        // rej('err'); //pending => rejected (rejcet)
        throw 'cuole';
      });
      console.log(p);
    </script>
  </body>
</html>
